---
url: "https://vueda.dev/v3/reference/api/js/utils/dev.md"
title: "utils/dev"
---

# utils/dev

## Overview

Development-only utilities that are no-ops in production builds.

## Methods

- [reportDevError](/v3/reference/api/js/utils/dev/functions/reportDevError.md) - Report a mistake that a developer must fix.
- [watchIfDev](/v3/reference/api/js/utils/dev/functions/watchIfDev.md) - Call `watch` only when running in development mode; returns a no-op stop handle in production.

## Source

`client/lib/utils/dev.js:1`